AirHint found the following cheapest return flights from Innsbruck (INN) to Thessaloniki (SKG) in September 2025 (see full year).

Return flights

19 Sep - 29 Sep	Austrian Airlines
25 Sep - 29 Sep	Austrian Airlines
24 Sep - 29 Sep	Austrian Airlines
26 Sep - 01 Oct	Austrian Airlines
12 Sep - 18 Sep	Austrian Airlines
11 Sep - 18 Sep	Austrian Airlines
12 Sep - 17 Sep	Austrian Airlines
11 Sep - 17 Sep	Austrian Airlines
16 Sep - 26 Sep	Austrian Airlines

Also check the deals for one-way flights from Innsbruck to Thessaloniki in September.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

Book a cheap hotel in Thessaloniki

Cheap car rent in Thessaloniki

Cheapest return flights from Innsbruck to Thessaloniki in September from $210

Return flights